Thailand's energy authorities have agreed to purchase energy from the controversial Xayaburi dam - which is being built on the Mekong River, a shared resource between Laos, Thailand, Vietnam and Cambodia.

The dam was suspended after strong opposition from Cambodia and Vietnam, who were concerned about its environmental impacts.

But environmental groups have argued that Laos has gone against their word, and is resuming construction of the dam regardless.

Now, with this lawsuit, villagers and environmentalist have taken matters into their own hands. They're hopeful that by shutting down the dam's power purchase agreement with Thailand, the Xayaburi will be forced to close down.

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